Finding the Fourth Proportional to 135,406.67, 202,977.44 and 56,543.45
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Solution
The fourth proportional to 135,406.67, 202,977.44 and 56,543.45 is: 84,759.82
Step by Step Solution
- Step 1: Write the proportion equation
135,406.67 : 202,977.44 = 56,543.45 : x - Step 2: Convert to fraction form
135,406.67/202,977.44 = 56,543.45/x - Step 3: Cross multiply
135,406.67x = 202,977.44 × 56,543.45 - Step 4: Simplify right side
135,406.67x = 11,477,044,447.05 - Step 5: Solve for x
x = 11,477,044,447.05/135,406.67 - Step 6: Final answer
x = 84,759.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.